Expertise The patent attorneys of the IP law firm Wittmann have gained considerable experience in a wide variety of technical fields. Expertise has been obtained particularly in the following fields: Electronic Engineering Telecommunications, Mobile Communications Medical Technology Mechanical Engineering Image Processing, Machine Vision, Virtual Reality Technical Physics Optics, Illumination, LEDs Semiconductor, Digital Circuitry, Sensors, Microstructures Automotive, Aeronautics Software, Information Technology Automation and Control